code: def track(self, guarded_code):
      self.watchers.append(weakref.ref(guarded_code))
  
file_path: pytorch/torch/_dynamo/mutation_guard.py
imports: import functools
  import weakref
  import torch.nn
  from torch.nn import Module
  from .utils import ExactWeakKeyDictionary, is_lazy_module
label_desc: Use image node_id 3 for calling the MutationTracker obj's underlying member method code with example usage: obj.track(guarded_code) without return types